Patent US2417748A successfully refreshed from Google Patents.
US2417748A
Expired / Lapsed
US
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Preparation of methyl acrylate
Assignee: Eastman Kodak Co
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Filing: 1943-12-23
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Granted: 1947-03-18
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Expires: 1963-12-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh J Hagemeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:58
CPC Classifications
C; C07; C07C; C07C67/00; C07C67/30; C07C67/317; C07C67/327; C07C253/00; C07C253/20; C07C253/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1993736A
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US2183357A
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US2108829A
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US2121551A
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US2150507A
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US2208328A
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US2236516A
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US2264026A
Cited
US2305663A
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US2356247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-17 | 1950-09-16 | 1951-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-17 | 1954-09-16 | 1955-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-17 | 1958-09-16 | 1959-03-18 | $7700.00 | Window Closed / Lapsed |